// Copyright 2019 The MediaPipe Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Definitions for CalculatorBase.

#include "mediapipe/framework/calculator_base.h"

#include <algorithm>

namespace mediapipe {

CalculatorBase::CalculatorBase() {}

CalculatorBase::~CalculatorBase() {}

Timestamp CalculatorBase::SourceProcessOrder(
    const CalculatorContext* cc) const {
  Timestamp result = Timestamp::Max();
  for (const OutputStreamShard& output : cc->Outputs()) {
    result = std::min(result, output.NextTimestampBound());
  }
  return result;
}

}  // namespace mediapipe
